| Lens Specifications | |
|---|---|
| Name | Pentax 1.4X-S |
| Image Circle | 35mm |
| Type | Teleconverter |
| Focal Length Multiplier | 1.4X that of the master lens |
| Effective Reduction in Aperture | 1 f-stop |
| Lens Construction | 5 elements in 4 groups |
| Closest Focus | Same as that of master lens |
| Magnification Ratio | 1.4X that of master lens |
| Dimensions(Length x Diameter) | 21.5mm x 64.5mm / 0.9 in. x 2.5 in. |
| Weight | 145g / 5.1 oz |
| Notes | Usable Lenses: SMC Pentax A-, F-, M-lenses |
| Typical Online Price | US$385 |
